Scalenes
Anatomical Info
-
Position:
Anteroir -
Region:
Neck -
Plane:
Frontal
Muscle Characteristics:
-
Movements:
Flexion, Lateral Flexion, And Rotation -
Muscle Shape:
Parallel
Nerves:
Nerve
System
Spinal Plexus
Division
Trunk
Branch
Roots
Description
The scalenes muscles are a group of three muscles located in the neck. They are called the scalenus anterior, scalenus medius, and scalenus posterior.
The scalenus anterior muscle originates at the transverse processes of the cervical vertebrae (bones in the neck) and inserts into the first rib. It helps to elevate the first rib during inspiration and also helps to flex and rotate the neck.
The scalenus medius muscle originates at the transverse processes of the cervical vertebrae and inserts into the second rib. It helps to elevate the second rib during inspiration and also helps to flex and rotate the neck.
The scalenus posterior muscle originates at the transverse processes of the cervical vertebrae and inserts into the third rib. It helps to elevate the third rib during inspiration and also helps to flex and rotate the neck.
The scalenes muscles are innervated by the cervical spinal nerves. They are voluntary muscles, meaning that they can be controlled voluntarily by the person.
In some cases, the scalenes muscles may be surgically modified or altered to address certain medical conditions, such as problems with neck movement or instability of the cervical spine. They may also be used as donor muscles for reconstructive surgery in the head and neck region.
Muscle Engaging Sports
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